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Finding the Fourth Proportional to 36,902.59, 50,926.16 and 20,135.59

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Solution

The fourth proportional to 36,902.59, 50,926.16 and 20,135.59 is: 27,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,902.59 : 50,926.16 = 20,135.59 : x
  2. Step 2: Convert to fraction form
    36,902.59/50,926.16 = 20,135.59/x
  3. Step 3: Cross multiply
    36,902.59x = 50,926.16 × 20,135.59
  4. Step 4: Simplify right side
    36,902.59x = 1,025,428,278.03
  5. Step 5: Solve for x
    x = 1,025,428,278.03/36,902.59
  6. Step 6: Final answer
    x = 27,787.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.